Laterally adjustable print head
First Claim
1. A print head assembly for use in a printer in which a web of label stock travels along a paper path, comprisinga print heada support for the print head, said support being mountable within a printer such that the support slides along a path which is parallel to the paper path;
- a post which extends along said path;
wherein said support includes a passageway and said post passes through said passageway such that said support slides on said post;
a spring positioned against said support and biasing said support to slide along said path.
1 Assignment
0 Petitions
Accused Products
Abstract
A print head assembly for use in a printer which includes a platen roller positioned adjacent a paper path and a first positioning member associated with the platen roller includes a print head and a support for the print head. The support is positioned for sliding along a longitudinal member. A second positioning member extends from one of the print head and the support for movement therewith. The second positioning member slides into contact with the first positioning member to position the print head relative to the platen roller. A cam follower arrangement urges the print head into engagement with the platen roller.
23 Citations
18 Claims
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1. A print head assembly for use in a printer in which a web of label stock travels along a paper path, comprising
a print head a support for the print head, said support being mountable within a printer such that the support slides along a path which is parallel to the paper path; -
a post which extends along said path; wherein said support includes a passageway and said post passes through said passageway such that said support slides on said post; a spring positioned against said support and biasing said support to slide along said path. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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- 10. A printer comprising a removable cassette for receiving label stock, said cassette having a platen roller mounted therein, a print head assembly, a support for said print head, said support being mountable within said printer such that said support slides along a path which is parallel to a label stock path of said printer, wherein said cassette includes a first positioning member and said print head assembly includes a second positioning member and said first and second positioning members are located such that they abut one another and thereby establish a predetermined placement of said print head with respect to said platen roller.
- 12. A print head assembly for use in a printer which includes a platen roller positioned adjacent a paper path and a first positioning member associated with the platen roller, said print head assembly comprising a print head, a support for said print head, a longitudinal member, said support positioned for sliding along said longitudinal member, a second positioning member extending from one of said print head and said support for movement therewith, said second positioning member sliding into contact with the first positioning member to position said print head relative to the platen roller.
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18. A method for aligning a print head in a printer with a platen roller in a cassette which comprises:
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providing a printer including a print head assembly including a print head and a support for said print head, said support being mountable within said printer such that said support slides along a path substantially parallel to a paper path in said printer, said print head assembly including a first positioning member, providing a cassette including a platen roller and a second positioning member associated with said platen roller, inserting said cassette into said printer, and contacting said first positioning member and said second positioning member to position said print head with respect to said platen roller.
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Specification